5306-01-160-0772

NIIN 01-160-0772 - Shear Bolt

NSN 5306-01-160-0772 Classification

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

dished hexagon head style, 0.3110 inches minimum and 0.3120 inches maximum grip diameter, 1.735 inches minimum and 1.765 inches maximum fastener length, 0.156 inches minimum and 0.171 inches maximum head height, 1.302 inches minimum and 1.322 inches maximum grip length

National Stock Number: 5306-01-160-0772
Federal Supply Group: 53 - Hardware and Abrasives
Federal Supply Classification: 5306 - Bolts
National Item Identification Number: 01-160-0772
Item Name Code: 15903
Assigned Date: Wed, Aug 17, 1983
Schedule B Code: 7318152000
Requires Demilitarization: DEMIL/MLI

NSN 5306-01-160-0772 Specification

Set by the OEM (See RNCC code 3)

Fastener Length: 1.735 inches minimum and 1.765 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Grip Length: 1.302 inches minimum and 1.322 inches maximum
Head Height: 0.156 inches minimum and 0.171 inches maximum
Head Style: dished hexagon
Material Document And Classification
Material: unable to decode
Minimum Tensile Strength: 160000 pounds per square inch
Nominal Thread Diameter: 0.312 inches
Specification/Standard Data: 80205-nas6305 professional/industrial association standard
Surface Finish: unable to decode
Surface Treatment Document And Classification: unable to decode
Surface Treatment
Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.413 inches minimum and 0.463 inches maximum
Thread Quantity Per Inch: 24
Thread Series Designator: unf
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum

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NSN 5306-01-160-0772 Material

Hazmat, Precious Metals, Criticality, Environment, and ESD

(PMIC) Precious Metals Indicator

Item does not contain precious metal.

What does the A code means?

Precious metals indicator code (pmic): this code is to identify items that have precious metals as part of their content. Precious metals are those metals generally considered to be uncommon and highly valuable which are relatively superior in certain properties such as resistance to corrosion and electrical conductivity. The precious metals recovery program for the federal government encompasses gold, silver, platinum, and the platinum family which consists of palladium, iridium, rhodium, osmium, and ruthenium. See volume 10, table 160 and quick info on-line.

(HMIC) Hazardous Metal Indicator

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

What does the N code means?

Hazardous materials indicator code: a code established in the dlis total item record (tir) to identify to users of the federal catalog system all known or suspected hazardous items as defined by safety/health, transaction and/or environmental regulations, to serve as a flag that a procuring activity must acquire a material safety data sheet when a hazardous item is procured, and to inform federal catalog system users when more detailed information on an item is available in the hazardous material information system. See volume 10, table 179 and quick info on-line.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

What does the X code means?

Criticality code, federal item identification guide: a code which indicates when an item is technically critical, by reason of tolerance, fit, application, nuclear hardness properties or other characteristic which affects identification of the item. See volume 10, table 181 and quick info on-line.

Cross Reference Parts

Part numbers that meet the specification outlined on this page and set by the OEM

Part Number	CAGE	RNCC	RNVC	DAC	RNAAC	MSDS	SADC
NAS6305-21	80205	3	2	4	KZ	-	-

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Stock Availability

This product is available in the following quantities and conditions:

(NE) New Material	621
(NS) New Surplus	39
In Stock	660

Availability of this item was last updated 08/19/2026 12:08 PM EDT.

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